Take a deep breath, mate.
Realize this. You are fine. What you perceive as love is actually a psychological loop that you have gotten yourself into.
There are no cosmic forces dooming you to this situation. This is something you can choose to do or not do.
Try these things:
1) Sit quietly and imagine a life without this problem. Without this drama. Without her. What would you do with your time? How much cooler would life be? Write down what you come up with.
2) Think about and write down the ways in which this relationship has taken you away from what you want and who you truly are. Is this sacrifice worth it? (Hint: It NEVER is in situations like this.)
3) Think about and write down 10 ways that you can provide value to the world (a business, charity work, whatever). The catch is that it has to have nothing to do with her.
Keep this piece of paper with you so you understand what you are sacrificing when you are worrying about this girl.
Your job is remember who you are as a man and work to make the world better. While this might seem a little extreme, HER job (at least in this lifetime) seems to be to DISTRACT you from your purpose.
This doesn't mean she's evil, it's just the way it is.
So...who's going to win? The girl who is trying to distract you from your purpose or you, The Man, who has something of great value to offer the world?
- Don't you dare think of not contributing to the world or running away. Men who know about this "sacred contract" everywhere know what you are capable of. Live up to it.
- Don't you dare let her distract you. She isn't strong enough to keep you from your "destiny". Let her fall away from your life and into the distance like a small hill you had to climb on the path.
It's that easy. (Being a man isn't, though.)
Good luck mate. We've all been there in some way. The question is, how will you come back?